package main

import (
	"fmt"
)

type TZ int

func (tz *TZ) Test(num int) TZ {
	*tz = *tz + TZ(num)
	var tt = *tz
	return tt
}

func main() {
	var a TZ
	var t1 = a.Test(100)
	fmt.Println(a)
	fmt.Println(t1)
}
